reduce memory pressure via bit fields (#5203)

2021-12-06 03:30:05 +00:00
parent b0799105c2
commit 033d8d9405
8 changed files with 97 additions and 21 deletions
--- a/lib/parse.js
+++ b/lib/parse.js
@@ -2316,9 +2316,8 @@ function parse($TEXT, options) {
            var comments = start.comments_before;
            var i = HOP(start, "comments_before_length") ? start.comments_before_length : comments.length;
            while (--i >= 0) {
-                var match = /[@#]__PURE__/.exec(comments[i].value);
-                if (match) {
-                    expr.pure = match[0];
+                if (/[@#]__PURE__/.test(comments[i].value)) {
+                    expr.pure = true;
                    break;
                }
            }